Meteorite Recon | Witnessed Falls
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Stony Iron, mesosiderite A3/4
Emmet County, Iowa, USA
Fall: May 10, 1879
TKW: 320 kg
Endcut: 176.7 g

Late on a Saturday afternoon, May 10, 1879, many persons in and around Estherville, Emmet County, were startled by a terrific explosion in the sky. The earth trembled, china shifted on cupboard shelves, doors and windows jarred, and window panes were broken. The explosion was followed by thunderous sounds and the appearance of what seemed a ball of fire, traveling from southwest to the northeast. Three persons north of town, more than half a mile apart, saw dirt fly high into the air. A meteorite had fallen to Earth! The main body of the descending mass fragmented in the final stage of the flight and continued in the shape of several fragments. Two people crossing the prairie in an open rig near Superior, Iowa, 6 miles west of Estherville, found themselves directly under the mass when it exploded. They reported the three large pieces took separate directions, trailing ribbons of vapor which formed a crow’s foot in the sky. A herdboy near Superior, reported that falling stones had caused his cattle to stampede, and other boys at Four Mile Lake said the placid water had been peppered with small pebbles. Apart from a number of smaller specimens, three large pieces weighing 431, 151 & 106 pounds were later recovered. When the largest mass struck, it buried itself 15 feet in the ground. The Event became known as the Estherville, Iowa Meteorite. Portions of the recovered specimens are on display in the Estherville Public Library, the Smithsonian Museum of Natural History, the Museum Reich der Kristalle in Munich and the Naturhistorisches Museum in Vienna, Austria. Estherville is a relatively rare stony iron Meteorite (mesosiderite A3/4).

Boumdeid (2011)

Stone, chondrite, L6, S2, W0
Kiffa, Assaba Department, South Mauretania
Fall: September 14, 2011, 21:00 GMT
TKW: 3.6 kg (one mass)
Cut fragment: 757.1 g

According to eyewitness accounts and several media reports on the evening of September 14, 2011 at 21:00 GMT a bright bolide was observed by hundreds of observers in the department of Assaba, in south Mauritania. A terminal fragmentation and sound phenomena occured near the end point of the trajectory. At least one mass of 3.5 kg was seen to impact and recovered the morning after the fall near Bou Mdeid, ~ 60 km north of Kiffa. Gamma-ray spectroscopy conducted 84 days after the fall confirmed the recency of the event. Pictured above is the 1,453 g half individual that was broken from the intact 3.5 kg mass by the finder the day after the fall.